A handy testing method to serialize an object as JSON for MSTEST output

TestOutPutHelper.cs

/// <summary>
/// Helper to output as JSON
/// </summary>
public static class TestOutputHelper
{

	/// <summary>
	/// Emit an object as json
	/// </summary>
	/// <param name="output">ITestOutputHelper</param>
	/// <param name="o">object</param>
	/// <param name="title">(optional) Title</param>
	public static void AsJson(this TestContext output, object o, string title = null)
	{
		var json = JsonConvert.SerializeObject(o);
		if (string.IsNullOrWhiteSpace(title)) output.WriteLine("{0}", json);
		else output.WriteLine("{0}\n{1}", title, json);
	}
}